feces in a place that it clearly doesn't belong (i.e. ceiling fan, shirt pocket, your grandfather's favorite coffee mug).
(noun)Ex.2: Why the hell is there pewpy on the walls of the women's bathroom?
(noun)Ex.1: Keep fuckin with me, and when you wake up in the morning; bam! fuckin pewpy all in your cereal boxes.
(verb): Wait until she finds out i pewpied in her winter coat's pocket!